text:
|Publication number
|Publication type
|Application number
|Publication date
|Jun 22, 2004
|Filing date
|Sep 7, 2001
|Priority date
|Sep 7, 2001
|Fee status
|Also published as
|Publication number
|Gerald E. Tornquist, James D. Lengel, Raymond W. Borden, Kieran P. J. Doherty, Ming Xu, WuenFar L. Chen, Gregor J. S. McDowall
|Original Assignee
|Honeywell International, Inc.
|Export Citation
|BiBTeX, EndNote, RefMan
|Patent Citations (61), Referenced by (17), Classifications (10), Legal Events (4)
|External Links: USPTO, USPTO Assignment, Espacenet
The present invention relates to high speed generators and, more particularly, to the structure of the rotors of such generators.
Generator systems that are installed in aircraft may include three separate brushless generators, namely, a permanent magnet generator (PMG), an exciter, and a main generator. The PMG includes permanent magnets on its rotor. When the PMG rotates, AC currents are induced in stator windings of the PMG. These AC currents are typically fed to a regulator or a control device, which in turn outputs a DC current. This DC current next is provided to stator windings of the exciter. As the rotor of the exciter rotates, three phases of AC current are typically induced in the rotor windings. Rectifier circuits that rotate with the rotor of the exciter rectify this three-phase AC current, and the resulting DC currents are provided to the rotor windings of the main generator. Finally, as the rotor of the main generator rotates, three phases of AC current are typically induced in its stator windings, and this three-phase AC output can then be provided to a load such as, for example, electrical aircraft systems.
Among the important components in such generator systems are the rotors of the exciters. Conventional exciter rotors are formed from multiple laminations that are thin plates that are stacked axially along the generator shaft. The rotors often have many (e.g., more than eight) poles, and also support the rectifier circuits that convert the AC power generated in the rotor windings into the DC power that is to be provided to the main generator rotor.
Such conventional exciter rotors have several limitations. Because the generators installed in aircraft will often be variable frequency generators that rotate in the speed range of 12,000 rpm to 24,000 rpm, large centrifugal forces are imposed upon the rotors of the generators. Because the structure of the rotor includes multiple laminations, and because the laminations often are made from materials that are limited in their strength, imbalances in the rotor can occur when changes or shifts in the laminations affect the relative alignment of the laminations with one another or with respect to the generator shaft. Additional imbalances can occur when shifting or other changes in the positioning of the laminations affect the positioning of the many wire windings or rectifier circuits being supported by the laminations. Such imbalances can create inefficiencies in the operation of the generators or risk potential failures.
Additionally, the use of laminations in the exciter rotors makes it difficult to accurately and consistently manufacture such rotors. Slight variations in the thicknesses of the laminations of the exciter rotor can make it difficult to predictably manufacture exciter rotors having a given overall axial thickness. Further, the complicated shape of the laminations, with their many radially protruding pole extensions and deep radial cut-outs, often renders it difficult to manufacture and assemble the laminations.
Hence, there is a need for a new exciter rotor assembly that is reliable, robust and can be easily manufactured within tolerances both in terms of the shape of the outer perimeter of the rotor and the axial thickness of the rotor. Additionally, there is a need for a new exciter rotor assembly that is capable of maintaining proper balance when operating at high speeds even though it includes multiple laminations and supports many wire windings and rectifier circuits.
The present inventors have recognized that a new exciter rotor assembly can be developed that includes a hub that is supported by the generator shaft and in turn supports narrow ring-type laminations around its outer perimeter. The laminations are shrunk fit onto the hub, which is made from a strong material, is carefully manufactured to have a particular axial thickness, and in turn is shrunk fit onto the generator shaft. By incorporating such a hub in between the narrow ring-type laminations and the generator shaft, the radial width of the laminations is significantly reduced and the above-described problems associated with the manufacture and use of the laminations are alleviated.
In particular, the present invention relates to a rotor that includes a hub configured to be supported by a shaft that extends along an axis, a plurality of laminations, and a plurality of wire windings supported by the plurality of laminations. The hub includes an inner structure configured to support the hub relative to the shaft, an outer structure, and an intermediate structure that is coupled to the inner and outer structures and supports the inner and outer structures relative to one another. The plurality of laminations are supported by the outer structure.
The present invention further relates to a generator that includes a stator, a shaft, and a rotor supported by the shaft. The rotor includes a plurality of laminations, a plurality of wire windings wrapped around the plurality of laminations, and a means for supporting the laminations relative to the shaft. The means for supporting has a first radial width extending from the shaft to the laminations that is larger than a second radial width of the laminations that extends from the means for supporting to an outer circumference of the rotor.
The present invention also relates to a hub for implementation in a high-speed generator rotor, where the hub includes an inner structure configured to support the hub relative to a shaft, an outer structure configured to support a plurality of laminations, and an intermediate structure that is coupled to the inner and outer structures and supports the inner and outer structures relative to one another. The intermediate structure defines a plurality of cavities within the hub.
The present invention additionally relates to a method of constructing a rotor. The method includes providing a hub having an outer structure with a cylindrical support surface and a retaining ring, an inner structure forming a cylindrical cavity, and an intermediate structure coupled to the inner and outer structures and configured to support the inner and outer structures relative to one another. The method further includes positioning a plurality of ring-type laminations and a pair of insulating rings onto the cylindrical support surface. A first of the pair of insulating rings is positioned on a first side of the plurality of laminations and a second of the pair of insulating rings is positioned on a second side of the plurality of laminations. The laminations and insulating rings are positioned so that the first of the pair of insulating rings abuts the retaining ring. The method additionally includes shrink-fitting the ring-type laminations and insulating rings onto the cylindrical support surface, positioning a balancing ring onto the cylindrical supports surface so that the balancing ring abuts the second of the pair of insulating rings, shrink-fitting the balancing ring onto the cylindrical support surface, and wrapping a plurality of wire windings onto the laminations.
Other features and advantages of the invention will become apparent from the following detailed description, taken in conjunction with the accompanying drawings, which illustrate, by way of example, the principles of the invention.
FIG. 1 is a perspective view of a hub capable of being employed in an exciter rotor;
FIG. 2 is a perspective view of the hub of FIG. 1 shown supporting ring-type laminations and a balance ring;
FIG. 3 is a perspective view of the hub of FIG. 2 shown to further include contacts onto which rectifier circuits can be affixed;
FIG. 4 is a perspective, exploded view of an exciter rotor employing the hub of FIG. 3 along with additional components;
FIG. 5 is a perspective unexploded view of the exciter rotor of FIG. 4;
FIG. 6 is a perspective, exploded view (shown in cut-away) of the exciter rotor of FIG. 5, rectifier circuits, and a rotor of a main generator; and
FIG. 7 is a perspective view of a generator assembly employing the exciter rotor and main generator rotor of FIG. 6.
Referring to FIG. 1, a hub 100 is shown that provides the main support structure of an exciter rotor in accordance with one embodiment of the present invention. The hub 100 includes an inner cylindrical structure 110 and an outer cylindrical structure 120 that are coupled to one another by way of six spokes 130. The inner cylindrical structure 10 in particular defines a cylindrical internal cavity 140 through which a generator shaft (see FIG. 6) protrudes when a complete generator assembly (see FIG. 7) is assembled. The inner cylindrical structure 110, outer cylindrical structure 120 and spokes 130 define multiple internal cavities 190. The outer cylindrical structure 120 includes both a cylindrical support surface 150 and a retaining rim 160. As will be discussed further with respect to FIG. 2, the support surface 150 supports the laminations and wire windings of the exciter rotor. The retaining rim 160 includes multiple holes 170, which can be filled with material during the process of assembling the generator assembly, in order to achieve proper balance of the exciter rotor. Additionally, the inner cylindrical structure 110 and the outer cylindrical structure 120 each include holes 180 through which oil or other lubricant/coolant can pass from the cylindrical internal cavity 140 (and the generator shaft) into the internal cavities 190.
The hub 100 is manufactured out of a high strength material such as steel, titanium or high strength aluminum, or any of a number of other high strength materials. The hub 100 consequently is about twice as strong as a conventional core made up of laminations. The hub 100 is carefully manufactured to have a particular axial thickness as measured along a central axis 195, to guarantee that the exciter rotor will properly fit within the generator assembly and be properly balanced. In one embodiment, one or more of the cylindrical structures 110, 120 and the spokes 130 are manufactured to have axial thicknesses within a tolerance of three-thousandths of an inch. Although six spokes 130 are shown coupling the inner cylindrical structure 110 to the outer cylindrical structure 120, in alternate embodiments, a lesser or greater number of spokes can be employed. Indeed, in certain embodiments, some or all of the internal cavities 190 can be entirely solid and filled in with material, although preferably the cavities are empty to reduce the overall weight of the exciter rotor. To operate properly as a hub, the hub 100 need only have an outer surface such as the cylindrical support surface 150 to support the laminations and rotor windings, and the cylindrical internal cavity 140 to allow the hub to be fitted onto a shaft. Further, in certain embodiments, the shaft (or at least a portion of the shaft) can be formed integrally as one part with the hub.
Turning to FIG. 2, the hub 100 of FIG. 1 is shown to be supporting additional components of an exciter rotor. In particular, the hub 100 is supporting a balancing ring 240 and a set of multiple ring-type laminations 210 that have been shrunk fit onto the cylindrical support surface 150. The ring-type laminations 210 have cut-outs 215 extending radially-inward from the outer circumferences of the laminations such that the laminations have teeth 220 protruding outward toward the circumferences of the laminations. The laminations 210 typically are made from a conductive material that is less strong than that of the hub 100. In addition to the set of laminations 210, the hub 100 additionally supports a pair of insulating rings 230 that are positioned on opposite sides, axially speaking, of the set of laminations. The insulating rings 230 also include cut-outs and teeth, such that the cut-outs and teeth of the insulating rings and the laminations 210 are respectively lined up.
During assembly of the exciter rotor, the insulating rings 230 and laminations 210 are slipped onto the cylindrical support surface 150 of the hub 100 until the set of laminations and insulating rings abut the retaining rim 160 (specifically, one of the insulating rings 230 abuts the retaining rim 160). The laminations 210 and insulating rings 230 are then shrunk fit onto the support surface 150. Then, the balancing ring 240 is slipped on behind the laminations 210 and insulating rings 230 until it abuts the laminations and insulating rings (specifically, the balancing ring 240 abuts the other of the insulating rings 230). The balancing ring 240 is then also shrunk fit onto the support surface 150 of the hub 100. The balancing ring 240 has at least two purposes, the first being to prevent movement of the laminations 210 and the insulating rings 230 away from the retaining rim 160, and the second being to axially balance the retaining rim 160. The balancing ring 240 can also have holes 245 (see FIG. 4) that parallel the holes 170 of the retaining rim 160 and can be filled with material, in order to balance the exciter rotor.
Turning to FIG. 3, the hub 100 is shown supporting the laminations 210, insulating rings 230 and balancing ring 240 and, in addition is shown to include three contact pads 310 a-c and bolts 320 a-c. Terminals from rectifier circuits fit around the bolts 320 a-c and are tightened onto the pads 310 a-c by way of nuts (see FIG. 6). When so attached to the hub 100, the rectifier circuits extend through three of the cavities 190, and are positioned within the cavities proximate the outer cylindrical structure 120 such that lubricant/coolant is directed toward the rectifier circuits out of holes 180 (particularly the holes in the outer cylindrical structure 120). In alternate embodiments, the rectifier circuits can be positioned in other ways onto the hub 100 or other elements of the exciter rotor, and need not be affixed to pads 310 a-c or otherwise. Indeed, in certain embodiments, the hub 100 does not include the pads 310 a-c and bolts 320 a-c.
Referring to FIG. 4, all of the components of an exemplary exciter rotor 400 that includes the hub 100 are shown in an exploded view. Specifically, the exciter rotor 400 includes the ring-type laminations 210, the insulating rings 230, and the balancing ring 240. Additionally shown are the pads 310 a-c and the bolts 320 a-c. In addition, the exciter rotor 400 includes wire windings 410, which fit around the teeth 220 of the laminations 210, as well as slot insulation 420, which fits within the cut-outs 215 in between the teeth of the laminations and insulates the wire windings from the laminations. The wire windings 410 include end wire terminals 415 by which the windings are connected to the bolts 320 a-c. Further, two sets of two insulating bands 430 are shown, which respectively loop around the retaining rim 160 and the balancing ring 240. Specifically, the smaller band of each respective set wraps directly over the retaining rim 160 and the balancing ring 240, respectively, while the larger band of each set wraps over corresponding end turns 435 of the wire windings 410 that are respectively wrapped over the retaining rim and balancing ring. Finally, two coil restraint rings 440 are shown, which respectively fit over the respective sets of insulating rings 430. The coil restraint rings 440 can be made from any one of a number of materials that are able to assist in holding the end turns 435 of the wire windings 410 in position despite the high centrifugal forces experienced by the exciter rotor 400 during operation. In one embodiment, the coil restraint rings 440 are made from Inco 718 material.
Referring to FIG. 5, the exciter rotor 400 including all of the components of FIG. 4 is shown in its completely-assembled form. In particular, in this perspective view, the end turns 435 of the rotor windings 410 are shown to be supported by the retaining rim 160, and the end wire terminals 415 a-c are shown to be respectively coupled to the bolts 320 a-c. Also shown in FIG. 5 is one of the sets of two insulating rings 430 that respectively are positioned above and under the end turns 435 of the rotor windings 430 around the retaining rim 160, as well as both of the coil restraint rings 440. Additionally, the teeth 220 of the laminations 210 and the insulating rings 230 are visible, as are portions of the slot insulation 420 that are set into the cut-outs 215 above the wire windings 410.
Given these components, the exciter rotor 400 can be assembled as follows. First, the set of laminations 210 along with the insulating rings 230 are slipped onto the rotor hub 100 (up to the restraining rim 160) and shrunk fit onto the hub. Next, the balancing ring 240 is slipped onto the hub 100 to abut the set of laminations/insulating rings, and shrunk fit onto the hub 100. Then, the contact pads 310 a-c and bolts 320 a-c are attached to the hub 100. Next, portions of the slot insulation 420 are placed within the cut-outs 215 of the laminations 210 and insulating rings 230. Further, one of the insulating bands 430 is positioned around the retaining rim 160 and another of the insulating bands is positioned around the balancing ring 240. Next, the wire windings 410 are wound onto the teeth 220 of the laminations 210 and insulating rings 230. The end turns 435 cover the insulating bands 430 that were earlier positioned onto the assembly. At this time, the end wire terminals 415 a-c can be affixed to the bolts 320 a-c, although this operation can be performed at a later time as well. Next, additional insulating bands 430 are positioned over the end turns 435 of the wire windings 410 and additional portions of slot insulation 420 are affixed onto the windings near the tops of the cut-outs 215 along the outer circumference of the rotor. Finally, the coil restraint rings 440 are positioned onto the rotor 400.
Turning to FIG. 6, an exploded, perspective view of a rotor assembly 600 of a generator assembly (see FIG. 7), including both the exciter rotor 400 and a main generator rotor 610 is shown. During assembly of the rotor assembly 600, the exciter rotor 400 is positioned onto a shaft 615 of the main generator rotor 610, and then shrunk fit onto that shaft. Also, during assembly, three rectifier circuits 620 a-c are positioned onto the exciter rotor 400 for converting AC power from the windings of the exciter rotor into DC power to be provided to the main generator rotor 610. Specifically, each of the rectifier circuits 620 a-c includes a respective connector 630 a-c that fits onto the respective bolt 320 a-c of the exciter rotor 400, and is then fastened to that respective bolt by way of a respective fastening device 635 a-c (e.g., nuts or other fastening devices). The rectifier circuits 620 a-c then extend axially through the cavities 190 of the hub 100. Finally, terminals 640 a-c are respectively designed to be coupled to corresponding terminals 650 a-c of bus rings 660 on the main generator rotor 610 (terminals 650 a are not shown due to the presence of the shaft 615). Thus, upon assembly, the exciter rotor 400 and the main generator rotor 610 are coupled together to form the single rotor assembly 600. This rotor assembly 600 can be implemented within the overall generator assembly 700 shown in FIG. 7.
The design of the exciter rotor 400, and particularly the design of the hub 100, provide the exciter rotor with certain advantages relative to conventional embodiments of exciter rotors. In particular, because the hub 100 extends most of the radial distance from the shaft 615 to the wire windings 410, the laminations 210 need only have sufficient radial width to be able to provide the teeth 220 around which the wire windings are wrapped and the cut-outs 215 into which the wire windings are positioned. Thus, the laminations 210 no longer constitute the primary structural element of the exciter rotor, but rather the hub 100, which is stronger than the laminations, constitutes the primary structural component of the exciter rotor. Consequently, all of the limitations associated with large laminations, including structural weakness, relative shifting of laminations with respect to one another and with respect to other elements of the generator assembly including the shaft, and imbalance of the exciter rotor due to relative movements of the laminations or movement of the wires and rectifier circuits supported by the exciter rotor, are alleviated through the implementation of the hub 100.
Further, because the hub 100 can be manufactured very accurately to within desired tolerances in terms of its physical size, the exciter rotor can be manufactured to have desired axial thickness and other size characteristics. Additionally, because the laminations 210 are shrunk fit about the hub 100 and because the hub occupies most of the radial distance between the shaft 615 and the outer circumference of the exciter rotor, it is also easier to manufacture the exciter rotor so that the positions of the laminations are within tolerances. Further, through the use of the hub 100, it is easier to provide support for the rectifier circuits 620 a-c as well as, through the use of the holes 180, easier to provide lubricant/coolant to the rectifier circuits. Additionally, because the laminations are now in the shapes of rings with relatively narrow radial widths, it is easier to manufacture laminations within tolerances. Finally, by filling in certain of the holes 170 on the retaining rim 160 and the balancing ring 240, it is easier to properly balance the exciter rotor 400. Typically, the balancing process can take two steps, a first step in which certain of the holes 170 of both the retaining rim 160 and the balancing ring 240 are filled to balance the exciter rotor 400 by itself, and also a second step of filling in various holes of just the retaining rim 160 once the exciter rotor 400 is positioned and shrunk fit onto the shaft 615 in order to provide proper balancing to the overall rotor assembly 600.
Thus, while the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In addition, many modifications may be made to adapt the teachings of the invention to a particular situation without departing from the essential scope thereof. For example, a hub such as the hub 100 can be adapted also for implementation on other types of rotors or elements of rotational machines including motors as well as generators. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed as the best mode contemplated for carrying out this invention, but that the invention will include all embodiments falling within the scope of the appended claims.
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|U.S. Classification
|International Classification
|Cooperative Classification
|European Classification
|Sep 7, 2001
Owner name: HONEYWELL INTERNATIONAL, INC., NEW JERSEY
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:CHEN, WUENFAR L.;REEL/FRAME:012161/0509
Effective date: 20010906
Owner name: HONEYWELL INTERNATIONAL, INC., NEW JERSEY
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:TORNQUIST, G.E.;LENGEL, JAMES D.;BORDEN, RAYMOND W.;AND OTHERS;REEL/FRAME:012161/0520;SIGNING DATES FROM 20010821 TO 20010823
|Sep 14, 2007
|Fee payment
Year of fee payment: 4
|Sep 23, 2011
|Fee payment
Year of fee payment: 8
|Jan 29, 2016
|Maintenance fee reminder mailed


text:
The work reported herein was supported under the Educational Research and Development Centers Program, PR/Award Number R305B960002, as administered by the Institute of Education Sciences (IES), and the U.S. Department of Education. The findings and opinions expressed in this report are those of the authors and do not necessarily reflect the positions or policies of the National Center for Education Research, the Institute of Education Sciences (IES), or the U.S. Department of Education.
A Historical Perspective on Validity Arguments for Accountability Testing†
Version of Record online: 7 JUN 2005
DOI: 10.1111/j.1744-7984.2005.00023.x
Yearbook of the National Society for the Study of Education
Volume 104, Issue 2, pages 1–34, June 2005
Additional Information
How to Cite
Haertel, E. h. and Herman, J. l. (2005), A Historical Perspective on Validity Arguments for Accountability Testing. Yearbook of the National Society for the Study of Education, 104: 1–34. doi: 10.1111/j.1744-7984.2005.00023.x
- †
Publication History
- Issue online: 7 JUN 2005
- Version of Record online: 7 JUN 2005
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subset: commoncrawl


text:
Family TiesMoya and her offspring are still in the same system as the Gammak Base and Crais' Command Carrier, still being pursued by Scorpius who still wants the wormhole knowledge that Crichton possesses. Rygel takes a transport pod and goes to the Command Carrier, trying to cut a deal with Scorpius for his own freedom in exchange for Moya's location. The rest of Moya's crew realise what Rygel is doing and prepare to either flee or fight when the Peacekeepers come. Crais informs Rygel that Scorpius has ordered his execution and the two make a deal: he helps Rygel return to Moya and requests asylum with the crew. At the same time, Crichton comes up with a plan to fill a transport pod with explosives and make a suicide run at the Command Carrier's bridge. Crais vetoes the plan, claiming that Scorpius will detect the explosives and destroy the pod instantly. They come up with a new plan: Scorpius' Gammak Base is located on a moon with an oil surface, so they will detonate the pod in the moon's atmosphere and literally ignite the entire planet, destroying the base in the process. If Crichton flies the pod and destroys all of Scorpius' wormhole research, it will keep Scorpius sufficiently distracted for Moya and her offspring to escape. D'Argo and Crichton fly the pod towards the moon and bail out at the last minute — Crichton in a spacesuit and D'Argo, being a Luxan, able to survive in vacuum for a quarter
- Breaking the Fellowship: Moya is forced to starburst away with half the crew.
- Cliffhanger:
Crichton: Aeryn?
Aeryn: I'm still here, but I still can't get to you.
Crichton: May not matter. D'Argo's unconscious.
- Enemy Mine: Rygel and Crais reach a deal to save themselves.
- Genre Savvy: Rygel immediately realizes that Crais has lost all control to Scorpius.
- I Owe You My Life: Chiana says Crichton saved her life.
- It Has Been an Honor
Crichton: Hey, D'Argo. How come I'm not afraid?
D'Argo: Fear accompanies the possibility of death. Calm shepherds its certainty.
Crichton: I love hanging with you, man.
- Living Lie Detector: Scorpius can tell immediately when Rygel is lying to him.
- Miscarriage of Justice: Discussed. Crais knew all along that D'Argo was innocent of the crime he was imprisoned for. He tries to excuse it by saying only a higher-ranking officer could've pardoned D'Argo.
- No One Left Behind: Played with. Crichton tells everyone on Moya to starburst without them rather than risk being captured and, despite their reservations, they do. Aeryn has the option to try to return to Moya, but she refuses to leave Crichton and D'Argo floating out in space.
- Parental Abandonment: Aeryn notes she only saw her mother once and never met her father.
- Rewarded as a Traitor Deserves: Crais informs Rygel that the moment Scoprius gets what he wants, Rygel will be executed as an example.
- That Came Out Wrong: Just before the suicide mission Rygel tells Chrichton "I'd do the same for you if it made sense." (Beat) "No, wait, don't read into that!"
- You Are Better Than You Think You Are: Inverted after Crichton says Rygel can have his possessions (calling him "a material kind of guy") and chides him for trying to sell out the crew.
Rygel: Look I-I know I can be selfish, but given a chance I can usually—
Crichton: Do what? Do the right thing?
Rygel: Yes.
Crichton: Rygel, I figure the right thing starts at the beginning of the day. Not after you've been caught.


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One who is only capable of pulling the muntiest of all munters.
He was so ugly that even the local munter went away on holiday as she knew she was ugly enough to be in line for the affections of this muntdregger.
by Karl Troll March 28, 2009
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i am using the jQuery validator plugin, which has no way to validate the date and time. By using the jQuery input features, i know that the time will be in the correct format.
<input type="time" id="time />
<input type="time" id="time2 />
<input type="date" id="date" />
However, can someone please teach me how to create a method that ensures that "time2" is no later than 11:59 PM or 23:59 and another method that requires "time2" to be greater than "time"
I have tried but I do not understand the syntax required for the addMethod function


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We are dedicating a major retrospective show to Boris Lurie and his radical artistic examination of the 20th century (26 February–31 July 2016). →
Jazz in the Garden:Concert: Bester Quartet - Klezmer jazz31 July 2016 →
In our blog staff members of the Jewish Museum Berlin share thoughts and anecdotes from their daily work. →
Trigla Hirundo. Tern. Marcus Elieser Bloch, colored engraving, 1783
© Jewish Museum Berlin


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Is it possible to create a custom ObjectId in a django model that is being saved to a mongodb using mongodb-engine? I've tried to do this passing the string I want into the ObjectId type, Flight(_id=ObjectId(myid)) for example but then this gives me an error saying that the string is not a valid id. Is it possible to override the id with a custom one? And is there somewhere where I can read about this or what the rules for creating an ID are?
File "/usr/local/lib/python2.7/dist-packages/bson/objectid.py", line 172, in __validate raise InvalidId("%s is not a valid ObjectId" % oid) InvalidId: short_profile_4fcad5e8e5095f5a4f000000 is not a valid ObjectId


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Motor Vehicle Safety:
Information on Recent Controversy Between NHTSA and Consumer Group
RCED-90-221: Published: Sep 27, 1990. Publicly Released: Nov 8, 1990.
Additional Materials:
- Full Report:
(202) 512-4800
Pursuant to a congressional request, GAO reviewed controversies and conflicts between a private consumer group and the National Highway Traffic Safety Administration (NHTSA), focusing on: (1) NHTSA closing of 25 safety-defect investigations; (2) proposals for judicial reviews of NHTSA decisions to deny petitions to open safety-defect investigations; (3) whether the group's allegations hindered NHTSA work performance or damaged public confidence in NHTSA; and (4) the group's sale of NHTSA information.
GAO found that: (1) 50 NHTSA Office of Defect Investigations (ODI) employees responded to the consumer group's published article alleging that ODI improperly closed 25 safety-defect investigations without requiring recall; (2) ODI invited the group's director for a discussion of its investigative process and several other areas of disagreement; (3) ODI reported that it experienced difficulty in reaching decisions in the 25 cases, but closed 21 cases after deciding that the safety risks were not significant enough to warrant recall, closed 1 case after losing a federal court appeal, and closed 3 cases because they were similar to that lost case; (4) the consumer group and NHTSA differed in their definition of unreasonable safety risk; (5) the consumer group supported proposed legislation that would permit judicial review of NHTSA nonenforcement decisions; (6) there was no evidence that the consumer group's article and ODI employees' response hindered ODI work, although ODI believed that the group's activities reduced public confidence in NHTSA; (7) the group's sale of NHTSA information was not illegal; and (8) NHTSA did not treat the consumer group any differently than other groups requesting information.
Jul 13, 2016
Railroad Financing:Stakeholders' Views on Recent Changes to the Railroad Rehabilitation and Improvement Financing ProgramGAO-16-714R: Published: Jul 13, 2016. Publicly Released: Jul 13, 2016.
Jul 7, 2016
Highway Safety:More Robust DOT Oversight of Guardrails and Other Roadside Hardware Could Further Enhance SafetyGAO-16-575: Published: Jun 8, 2016. Publicly Released: Jul 7, 2016.
Jun 24, 2016
Highway Trust Fund:Administrative Expenses of the Federal Highway AdministrationGAO-16-631R: Published: Jun 24, 2016. Publicly Released: Jun 24, 2016.
Jun 21, 2016
Intelligent Transportation Systems:Survey of Transit Providers Serving Small Urban and Rural Areas (GAO-16-639SP, June 21, 2016), an E-supplement to GAO-16-638GAO-16-639SP: Published: Jun 21, 2016. Publicly Released: Jun 21, 2016.
Intelligent Transportation Systems:Urban and Rural Transit Providers Reported Benefits but Face Deployment ChallengesGAO-16-638: Published: Jun 21, 2016. Publicly Released: Jun 21, 2016.
May 26, 2016
Rail Grant Oversight:Greater Adherence to Leading Practices Needed to Improve Grants ManagementGAO-16-544: Published: May 26, 2016. Publicly Released: May 26, 2016.
Apr 28, 2016
Public Transit:Observations on Recent Changes to the Capital Investment Grant ProgramGAO-16-495: Published: Apr 28, 2016. Publicly Released: Apr 28, 2016.
Apr 25, 2016
Vehicle Cybersecurity:DOT and Industry Have Efforts Under Way, but DOT Needs to Define Its Role in Responding to a Real-world AttackGAO-16-350: Published: Mar 24, 2016. Publicly Released: Apr 25, 2016.
Mar 16, 2016
Aviation Forecasting:FAA Should Implement Additional Risk-Management Practices in Forecasting Aviation ActivityGAO-16-210: Published: Mar 8, 2016. Publicly Released: Mar 16, 2016.
Feb 17, 2016
Transportation Security:Status of GAO Recommendations on TSA's Security-Related Technology AcquisitionsGAO-16-176: Published: Feb 17, 2016. Publicly Released: Feb 17, 2016.
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Graham Clark
I'm a developer from Bristol, currently using .NET, working with AWS, ServiceStack, and IronMQ.
I like learning about new client-side frameworks, and am sick of SQL.
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Security Issues on Banking Systems
Bank is one of the example of institute that using Information Technology (IT) in its daily task to fulfill the organization's and customers' need. Business transaction, money transfer, ATM, credit card, and loan are some tasks that were done every day. Customers' personal information stored by the bank is also considered as private and should not be disclose to anybody with no authorization. Only legal staff and legal bank's customer can operate any of the tasks. Thus, bank has its own system to ensure their transaction works the way it is and prevent any activity that could cause lost to the organization and its clients or customers.
Provided by: International Journal of Computer Science and Information Technologies Topic: Security Date Added: Aug 2010 Format: PDF


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The bees in the new observation beehive at the Cape May County Zoo are delighting visitors with their activity and their work ethic, but most of all with their dance moves.
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The iPhone is an integrated cellular telephone and media player developed and marketed by Apple. The device combines the main functions of several popular electronic gadgets in a single device, with a shared interface and integration between them. In addition to its primary function as a cellular telephone, the iPhone includes a music and video player, digital camera, PDA, and an Internet communications suite. Although the iPhone runs Apple's OS-X operating system, the device is not expected to run all OS-X compatible software.Generally, most of the DVD to iPhone Converters accomplish the same tasks to convert DVD to iPhone for playing the DVD movie on your iPhone
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Telephone & Addresses
Vinayak Achyut Bapat
30082 Smyrna GA
Yellow Page contacts
Physicians & MDs
Turning a blind eye : The Lancet
Turning a blind eye. By - Dr Vinayak N Bapat MS, Anil G Tendolkar MS
Network Profiles
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LinkedIn: Vinayak Bapat | LinkedIn
View Vinayak Bapat's professional profile on LinkedIn. LinkedIn is the world's largest business network, helping professionals like Vinayak Bapat discover inside
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Transaortic TAVI Offers Alternative to Transfemoral Route
'Valve-on-a-Stick' Transaortic TAVI Offers Alternative to ... Dr Vinayak Bapat ... 'Valve-on-a-Stick' Transaortic TAVI Offers Alternative to Transfemoral Route ...
Kirloskar Electric Company Ltd (KREL.BO) People | Reuters ...
... Compliance Officer, Company Secretary. Vinayak Bapat. 2014, Additional Director, Managing Director ... Company Secretary of the Company. Vinayak Bapat ...
Heart - Thank you to reviewers
Luigi Badano Philipp Bahrmann Kevin R. Bainey Noel Bairey Merz George Bakris David Baldwin Amitava Banerjee Casper Bang Vinayak Bapat Marco Barbanti
Greater risk of death for cardiac surgery patients with long ICU stay...
A recent study determined that patients who underwent recent cardiac surgical procedures and had prolonged stay in the intensive care unit had lower survival...
Business Profiles
Vinayak Bapat (St. Thomas Hospital Kerala, Kottayam) on ...
Vinayak Bapat of St. Thomas Hospital Kerala, Kottayam with expertise in Internal Medicine (General Medicine), Cardiology, Cardiothoracic Surgery is on ResearchGate.
Vinayak Bapat | St. Thomas' Hospital | ZoomInfo.com
View Vinayak Bapat's business profile as Consultant Cardiac Surgeon at St. Thomas' Hospital and see work history, affiliations and more.
Vinayak Bapat - Publications - ResearchGate
No preview · Article · Sep 2015 · EuroIntervention: journal of EuroPCR in collaboration with the Working Group on Interventional Cardiology of the European ...
Vinayak Bapat | Kirloskar Electric Company Ltd | ZoomInfo.com
View Vinayak Bapat's business profile as Corporate Vice President and Chief Finance Officer at Kirloskar Electric Company Ltd and see work history, affiliations and more.
Private Homepages
About | PCR Tokyo Valves
Home; About. PROGRAMME COMMITTEE MEMBERS. Takahide Arai. Japan. Takeshi Arita. Japan. Vinayak Bapat. United Kingdom. Takashi Matsumoto. Japan ...
Vinayak Bapat - Home
website. Powered by. Create your own free website. Start your own free website.
Publications - Vinayak Bapat
Vinayak Bapat · Home · Publications. international 1. 2. 2. Create a free website with Weebly. Quantcast.
Vinayak Bapat - Research Outputs - Research Portal, King's ...
Dr Vinayak Bapat. 1 - 10 out of 10Page size: 50. 10 · 20; 50; 100 · 200 · RSS feed. Sort by: Publication year. Publication year · Title · Type · Author last name.
Vinayak Bapat (deceased) - Genealogy - Geni
Genealogy for Vinayak Bapat (deceased) family tree on Geni, with over 140 million profiles of ancestors and living relatives.
Vinayak Bapat (deceased) - Genealogy
million profiles of ancestors and living relatives.
The Mathematics Genealogy Project - Mukund Bapat
Mukund Vinayak Bapat . MathSciNet. Ph.D. University of Mumbai 2004. Dissertation: 3-Equtable and Other Graph Labelings. Mathematics Subject Classification: 05
Elizabeth Venn is fundraising for Myeloma UK
JustGiving - the easiest way to fundraise and donate to charity online
Books & Literature
(1 - 4 from 23
Transaortic transcatheter aortic valve implantation using ...
Email: Vinayak Bapat FCRS, CTh (firstname.lastname@example.com) * Department of Cardiothoracic Surgery, 6th Floor East Wing, St Thomas' Hospital, Westminster Bridge Road, ...
panipatchi mohim, Nagesh Vinayak Bapat, Panipat, Nanasaheb ...
panipatchi mohim, Nagesh Vinayak Bapat, Panipat, Nanasaheb Peshwe, Nanasaheb Peshwe, Battle of Panipat
History of Indian Literature - Volume 1 - Page 598 - Google Books Result
Chatrapati Sambhdji Mahdrdj, a historical novel in Marathi by Nagesa Vinayak Bapat. Ndrdyanardv ani Goddvariby M. V. Rahalakar. A Marathi social novel.
Multimodality Imaging for Transcatheter Aortic Valve ...
377 Rohan Poulter, Vinayak Bapat, and David A. Wood 33 Intraprocedural Use of Echocardiography for TAVR . . . . . . . . . . . . . . . . . . . . 393 Jorge Castellanos, Raj ...
Related Documents
(1 - 4 from 13
CRT ACCESS Saturday, February 20, 2016 12:30 p.m. – 5:30 p.m. Room: Empire Track: Endovascular ... Panel: Vinayak Bapat, FRCS(CTh) Panel: Danny Dvir, MD
Liverpool Aortic Surgery Symposium IV
abbas rashid, md frcs (eng) aung oo, frcsed (cth) michael desmond frca, frcp vinayak bapat, frcs (cth) st. thomas' hospital london uk alan bryan, frcs
500-Patient Interim Analysis - Boston Scientific
Thomas Modine, MD, PhD; Stephen Brecker, MD; Vinayak Bapat, MD; Ulrich Gerckens, MD;. Peter Wenaweser, MD; Karl E. Hauptmann, MD; Francesco ...
ACURATE TA implantation within a degenerated ... - Symetis
Cardiovasc Interv 2011;4;621-628;. 5. Vinayak Bapat et al. Use of transcatheter heart valves for a valve-in-valve implantation in patients with degenerated aortic ...
Scientific Publications
(1 - 4 from 9
Vinayak Nilkanth Bapat - academic.research.microsoft.com
View Vinayak Nilkanth Bapat's professional profile. Publications: 17 ... Vinayak Bapat, Naguib El-Muttardi, Christopher Young, Graham Venn, James Roxburgh.
Valve-in-Valve Therapy for Failed Surgical Bioprosthetic ...
Alia Noorani, MRCS,; Vinayak Bapat, FRCS (C-Th),. Department of Cardiothoracic Surgery, St Thomas' Hospital, 6th Floor, East Wing, London ...
Transaortic transcatheter aortic valve implantation ...
Vinayak Bapat (St. Thomas' Hospital, London, UK) and Mauro Romano (Institut Hospitalier Jacques Cartier, Massy, France). Steering board. Peter Bramlage ...
The use of balloon expandable transcatheter valves for ...
... implantation in patients with degenerative stentless aortic bioprostheses: technical considerations and results. Vinayak Bapat, FRCS CTh.
(1 - 4 from 7
Transaortic transcatheter aortic valve implantation ... - Springer
(6); Vinayak Bapat · firstname.lastname@example.com (7). Author Affiliations. 1. Institute for Pharmacology and Preventive Medicine, Bahnhofstrasse 20, 49661, ...
Customers List - Kaushal Solar
Mr Vinayak Bapat. Ar.Deshchowgule. Ar.Keshav Desai. Ar.Palande. Ar.Ravi Joshi. Ar.Satalkar. Ar. Dekhane. Mr Ashok Beheray. Mr C.V.Atre. Mr Kiran Samal.
Publications Authored by Vinayak Bapat
Are you Vinayak Bapat? Claim your profile, edit publications, add additional information:
Valve-in-valve implantations: is this the new standard for...
Krys Milburn • Vinayak Bapat • Martyn Thomas. Received: 8 November 2013 / Accepted: 9 December 2013 / Published online: 21 January ...
Video & Audio
Mr.Vinayak Bapat - YouTube
18/07/2012 · In your opinion, how accurately does YouTube count the number of dislikes on a video?
CRT 2015 Interview – Vinayak Bapat, MD - CardioTube
CRT 2015 Interview – Vinayak Bapat, MD. Posted : 03/06/2015Aortic Valve interventionsCRT (Cardiovascular Research Technologies)InterviewValve ...
Swar Saransh - YouTube
Singer - Abhay Bapat , Vinayak Bapat, Sau. Meena Bapat Music - Vinayak Bapat Lyric - Raghuvir Dinkar Sohoni For program contact Mobile no. 9589532499
(1 - 4 from 33
Tenth Birthday Of Life-saving TAVI Heart Implant - UK Lags Behind Europe In ...
04.10.2012 [Medical News Today] - The Workshop was chaired by Mr Vinayak Bapat, Consultant in Cardiac Surgery Guys and St. Thomas' Hospital. He said that TAVI improvements over the last decade have focused on making the technique less invasive and less complex, with fewer
Nana Patekar sets up Naam Foundation to fund drought ...
PIN code. Type of account. Otherwise I can't add Beneficiery Registration. With best regards, Vinayak Bapat. mail : email@example.com ...
Heart surgeons save London's 'strongest man' - BBC News
BBC South East's Mark Norman spoke to Mr Wojniak and Vinayak Bapat, a consultant at Guy's and St Thomas' Hospital. More information ...
Just weeks after major heart surgery this strongman was ...
Instead Vinayak Bapat, consultant cardiothoracic surgeon at St Thomas's, opted for a new high-tech approach he had learned in the US, called ...
Reports & Statements
(1 - 4 from 11
PCR London Valves - Vinayak Bapat
Time is right for a debate about transcatheter mitral valve therapies Vinayak Bapat consultant cardiothoracic surgeon, Guy's and St Thomas' NHS Foundation Trust ...
References and Useful Links | Triflo Medical Switzerland
Jeroen J. Bax, Victoria Delgado, Vinayak Bapat, Helmut Baumgartner, Jean P. Collet, Raimund Erbel, Christian Hamm, Arie P. Kappetein, Jonathon Leipsic, ...
Google Groups: [akash darshan: msg#139] re: re :[akash darshan: msg#131] re ...
21.05.2009: ... 2009 at 9:56 am, ashok mahajan wrote: dear
Google Groups: [sss-global] WITHIN AN HOUR HUMAN HEART VALVE CAN BE ...
27.03.2011: Vinayak Bapat of Guy's and St Thomas' Hospital and his team have developed
(1 - 20 from 63
vinayak bapat
District Council, Amraoti through Secretary v. Vithal Vinayak Bapat, AER 1941 Nagpur 125 and Audhraj Singh v. State of Madhya ... Court in District Council, ...
Shriram Vinayak Bapat - Director information and ...
Shriram Vinayak Bapat is registered with Ministry of Corporate Affairs (MCA). Their DIN is 00132068. Following is their current and past directorship holdings.
Virasat PuneSadashiv Vinayak Bapat - Virasat Pune
Sadashiv Vinayak Bapat. Writer. Participated in the Prohibition Movement and the Home Rule League Movement. Closely associated with the Tilak Smarak Mandir and ...
Trials Involving Vinayak Bapat - Guy's & St Thomas' NHS ...
Vinayak Bapat - Guy's & St Thomas' NHS Foundation Trust - St Thomas' Hospital. Follow Vinayak Bapat. Vinayak Bapat. Contact Details. Name Vinayak Bapat.
Vijaya Vinayak Bapat - Director information and companies ...
Vijaya Vinayak Bapat is registered with Ministry of Corporate Affairs (MCA). Their DIN is 00039343. Following is their current and past directorship holdings.
Society for Cardiothoracic Surgery - Vinayak Nilkanth Bapat
Prof. (Vinnie) Vinayak Bapat. MBBS, FRCS, FRCS.CTh Prof. Bapat is a Consultant in Cardiac Surgery at the Guys and St. Thomas' Hospital, London, UK with special ...
Bapat, Vinayak - professor of cardiovascular surgery
Professor Vinayak (Vinnie) Bapat FRCS CTh is a consultant cardiothoracic surgeon. Areas of expertise are: complex heart surgery, keyhole aortic …
Vinayak Bapat - Members - PCR - Users - PCRonline.com
Authors had an excellent result following a VIV procedure. The reason for a good outcome was careful planning and choosing the best possible option in a given ...
Search Results for Shounak Vinayak Bapat - ASME DC
Sorry! You do not have access to this content. For assistance or to subscribe, please contact us: TELEPHONE: 1-800-843-2763 ...
Vijaya Vinayak Bapat|Director Information|Associated ...
Get Vijaya Vinayak Bapat's complete profile & information as Company Director and list of companies associated with as per Ministry of Company Affairs ...
One hour to change a heart valve...and you're wide awake ...
A pioneering operation treats heart-valve failure under local anaesthetic and without the ... TAVI has been pioneered by Vinayak Bapat at Guy's and St …
Past Award Winners - EACTS
Past Award Winners. Award winners for the previous three years are listed below. For a full list of all prizes and prize winners since 1994, ... Vinayak Bapat:
Respiratory and Cardiothoracic Update | LBH GP Seminar
Respiratory and Cardiothoracic Update. Date: Saturday 31st May 2014 ... Mr Vinayak Bapat,Dr Suveer Singh . Time Session Speaker; 9.15am-9.45am: Registration 9.45am …
Shortlist - Exodus Travel
Review posted by Vinayak Bapat. May 2015 Written. Mt Toubkal Long Weekend Mount Toubkal May 2015 5. One of the best treks I have ever done. Organisation was without ...
Simple Education
Vinayak Bapat. Add this Moment to your Passport. Learn from this moment and keep it forever. FREE. Add to Passport. Target Audience. Interventional Cardiologists;
AATS Mitral Conclave 2015 - Thought Leaders Video ...
Sorin Round Table: Innovations in Mitral Valve Repair to Improve Patient Outcomes. with David H. Adams, Vinayak Bapat & Rudiger S. Lange ...
Accepted Articles - Echo Research and Practice
Research: John B Chambers,; Denise Parkin,; James Roxburgh,; Vinayak Bapat,; and Christopher Young. PA comparison of two forms of the continuity equation ...
CSI Frankfurt 2016 - CSI 2016
Vinayak Bapat, MD. Guy's and St Thomas' Hospital London United Kingdom. CSI 2016 - Invited Faculty: Vinayak Bapat, MD. More ...
Cardiac Interventions Today - There's an App for That! (July ...
By Alia Noorani, MRCS, and Vinayak Bapat, FRCS (CTh) · Share · E-Mail; Print; Bookmark · VIEW ARTICLE WITH IMAGES (PDF). With the booming popularity of ...
Case Study | King's Health Partners | London
Kamil was placed under the care of consultant cardiothoracic surgeon Mr Vinayak Bapat. Mr Bapat (pictured with Kamil below) and his team of anaesthetists, ...
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The RAM Pod I No-Drill Vehicle Mount with X-Grip III Holder from RAM MOUNTS consists of a socket system, an 18" rigid aluminum rod, the RAM POD I universal No-Drill vehicle base, and the universal X-Grip III clamping cradle. The X-Grip III clamping cradle consists of a composite spring loaded cradle, expandable grip arms, and additional bottom support keeper. Included are access grip knobs, located on the back of the cradle for quick release of your tablet.
|Powder coated marine grade aluminum, marine grade stainless steel components, and high strength composite
|18" (45.7 cm)
|Packaging Info
|Package Weight
|2.4 lb
|Box Dimensions (LxWxH)
|11.4 x 8.0 x 1.9"


text:
EA Continues to Give Away Battlefield 4 Expansion Packs
Subject: General Tech | July 21, 2016 - 09:03 PM | Scott Michaud
Tagged: ea, origin, pc gaming
EA's "On the House" promotion is basically a 100%-off sale, with the intent of periodically bringing you back to their store. Whatever you acquire is free forever, but you only have a handful of days to claim it. Even if you're not interested in downloading it at the moment, it's good to poke in, press download, and just not actually download it until later. Maybe you'll buy something, too, while you're there. Either way.
This time is Battlefield 4: Naval Strike. If you have Battlefield 4, but do not have the Premium subscription, then this is your chance to grab a portion of its exclusive content for free. As the name suggests, it includes four, navy-focused maps, a hovercraft, and a new game mode. If you've played 2142, you might remember the Titan mode, where you would capture missile launchers throughout the map to weaken a flying carrier, and eventually destroy it. Similar idea, but with an aircraft carrier.
Also, the Westwood-developed action RPG, Nox, is "On the House" as well.
Report: NVIDIA GeForce GTX 1070M and 1060M Specs Leaked
Subject: Graphics Cards | July 20, 2016 - 12:19 PM | Sebastian Peak
Tagged: VideoCardz, rumor, report, nvidia, GTX 1070M, GTX 1060M, GeForce GTX 1070, GeForce GTX 1060, 2048 CUDA Cores
Specifications for the upcoming mobile version of NVIDIA's GTX 1070 GPU may have leaked, and according to the report at VideoCardz.com this GTX 1070M will have 2048 CUDA cores; 128 more than the desktop version's 1920 cores.
Image credit: BenchLife via VideoCardz
The report comes via BenchLife, with the screenshot of GPU-Z showing the higher CUDA core count (though VideoCardz mentions the TMU count should be 128). The memory interface remains at 256-bit for the mobile version, with 8GB of GDDR5.
VideoCardz reported another GPU-Z screenshot (via PurePC) of the mobile GTX 1060, which appears to offer the same specs of the desktop version, at a slightly lower clock speed.
Image credit: PurePC via VideoCardz
Finally, this chart was provided for reference:
Image credit: VideoCardz
Note the absence of information about a mobile variant of the GTX 1080, details of which are still unknown (for now).
NVIDIA Partners with SMI for Eye-Tracking VR Rendering Tech
Subject: General Tech | July 21, 2016 - 12:31 PM | Sebastian Peak
NVIDIA is announcing a "new technique" for VR using eye-tracking technology from SMI, and with this NVIDIA's researchers are working to "match the physiology of the human eye to heighten visual fidelity in VR".
Image credit: NVIDIA
NVIDIA provides this description and video demo of the new tech:
"The demo - which we're bringing to the annual SIGGRAPH computer graphics conference in Anaheim, Calif., July 24-28 - is simple. Strap on a head-mounted display with integrated eye tracking. Look around the virtual scene of a school classroom with blackboard and chairs. Looks good, right?
Now gaze at the teacher's chair, turn off the eye tracking and look around again. Only the area around the chair is rendered in detail. In your periphery the demo was rendering a less detailed version of the image — and you couldn't tell."
NVIDIA further explains the technology:
"Human vision can be thought of as having two components: foveal and peripheral vision. The small region of your retina called the fovea is densely packed with cones — a type of photoreceptor cell — providing sharp and detailed vision. Peripheral vision covers a much wider field of view but lacks acuity.
This acuity difference has inspired foveated rendering systems, which track the user's gaze and seek to increase graphics performance by rendering with lower image quality in the periphery. However, foveated rendering taken too far will lead to visible artifacts, such as flicker, blur or a sense of "tunnel vision."
Our researchers used SMI's prototype eye-tracking HMD to perform a careful perceptual study of what people actually see in their peripheral vision in VR. Our researchers then used those insights to design a new rendering algorithm that enables much greater foveation, or reduction in rendering effort, without any discernible drop in visual quality."
There's a lot more information about this new VR technology in NVIDIA's blog post (source), and the company also has a project page up for this "Perceptually-Based Foveated Virtual Reality" technique.
HiFiMAN's high end, high priced Edition X Planar Magnetic Headphones
Subject: General Tech | July 22, 2016 - 03:50 PM | Jeremy Hellstrom
Tagged: audio, hifiman, Edition X, planar
As opposed to the more common dynamic driver, the Edition X uses lighter and more responsive planar drivers. These tend to provide much better sound but also come with a very hefty price tag, in this particular case an $1800 one. That puts these headphones soundly into the audiophile and professional market as opposed to being intended for gamers. In testing TechPowerUp found these to be not quite as clear as the HE-1000 model but they were more comfortable. If you are looking for high end headphones or just like window shopping you can read the full review here.
"HiFiMAN's newest high-end headphone, the Edition X, bears a striking resemblance to their flagship HE-1000. It uses the same driver design without the fancy nano materials found in the $1200 more expensive HE-1000, but is, at $1799, still the second most expensive headphone in HiFiMAN's line-up."
Here is some more Tech News from around the web:
- Turtle Beach Elite Pro Gaming Headset @ eTeknix
- Creative Sound BlasterX H7 Headset @ eTeknix
- Astell & Kern AK Junior Review featuring Sennheiser HD650 @ Kitguru
The 8-Bit Guy Disc-usses Floppy Drives
Subject: Storage | July 19, 2016 - 01:49 AM | Scott Michaud
Tagged: floppy drive, apple, commodore, IBM
This video, about floppy disks, is a little bit longer and in-depth than their previous one about cassette tapes. The 8-Bit Guy and friends (I'm pretty sure they don't call themselves that...) goes through how many tracks each floppy have, how many sectors they have, and how that varies per-manufacturer (including the technical reasons of how and why they are formatted incompatibly).
The 8-Bit Guy likes to go through a bunch of hardware, spanning the gamut of Atari, Commodore, Apple, IBM PC, and others, and explain their history. The most interesting part of this video, to me, was his explanation of why the Commodore floppy drive was so much larger than its competitors, and what it meant for performance.
SIGGRAPH 2016: NVIDIA Takes Over mental ray for Maya
Subject: General Tech | July 25, 2016 - 04:47 PM | Scott Michaud
Tagged: nvidia, mental ray, maya, 3D rendering
NVIDIA purchased Mental Images, the German software developer that makes the mental ray renderer, all the way back in 2007. It has been bundled with every copy of Maya for a very long time now. In fact, my license of Maya 8, which I purchased back in like, 2006, came with mental ray in both plug-in format, and stand-alone.
Interestingly, even though nearly a decade has passed since NVIDIA's acquisition, Autodesk has been the middle-person that end-users dealt with. This will end soon, as NVIDIA announced, at SIGGRAPH, that they will "be serving end users directly" with their mental ray for Maya plug-in. The new plug-in will show results directly in the viewport, starting at low quality and increasing until the view changes. They are obviously not the first company to do this, with Cycles in Blender being a good example, but I would expect that it is a welcome feature for users.
Benchmark results are by NVIDIA
At the same time, they are also announcing GI-Next. This will speed up global illumination in mental ray, and it will also reduce the number of options required to tune the results to just a single quality slider, making it easier for artists to pick up. One of their benchmarks shows a 26-fold increase in performance, although most of that can be attributed to GPU acceleration from a pair of GM200 Quadro cards. CPU-only tests of the same scene show a 4x increase, though, which is still pretty good.
The new version of mental ray for Maya is expected to ship in September, although it has been in an open beta (for existing Maya users) since February. They do say that "pricing and policies will be announced closer to availability" though, so we'll need to see, then, how different the licensing structure will be. Currently, Maya ships with a few licenses of mental ray out of the box, and has for quite some time.
Checking out the MSI GTX 1070 Gaming Z
Subject: Graphics Cards | July 25, 2016 - 06:51 PM | Jeremy Hellstrom
Tagged: msi, gtx 1070, Gaming Z, Twin Frozr VI, factory overclocked
The Tech Report had a chance to see what the MSI Twin Frozr VI cooler can do to a GTX 1070, they have just wrapped up a review of the Gaming Z edition of that NVIDIA card. It comes with a respectable frequency bump when you enable OC mode, 1657 MHz base and 1860 MHz boost. When they tested it under load the GPU stayed below 70C so there should be room to push the card further. Check out the full benchmark suite in their full review.
"Nvidia's second Pascal graphics card, the GeForce GTX 1070, aims to set a new bar for graphics performance in the $379-and-up price range. We put MSI's GeForce GTX 1070 Gaming Z card through the wringer to see how a more affordable Pascal card performs."
Here are some more Graphics Card articles from around the web:
- Gigabyte GeForce GTX 1070 Xtreme Gaming @ Modders-Inc
- MSI GTX 1080 Gaming X 8G RGB SLI @ Kitguru
- NVIDIA GeForce GTX 1080 Founders Edition 8GB Graphics Card Review @ NikKTech
- MSI GTX 1060 Gaming X @ eTeknix
- MSI GTX 1060 Gaming X 6G Review @ OCC
- ASUS RX 480 STRIX OC 8 GB @ techPowerUp
Prefer your GTX 1060 to arrive packaged in a full system? Overclockers UK can do that with the Titan Neutron
Subject: Systems | July 19, 2016 - 06:57 PM | Jeremy Hellstrom
Tagged: gtx 1060, gainward, GTX 1060 Dual, micro ATX, Overclockers UK, Titan Neutron
Gainward chose a confusing name for their new card, the GTX 1060 Dual, which seems to refer to either the two fans or the two slots it occupies; it is not a secret SLI version. The Micro ATX system is built in a Raijintek Styx Classic case with a Core i5-6400, 8GB DDR-4 2400MHz and strangely a hybrid 1TB Seagate 7200rpm drive with and 8GB MLC cache. On the other hand the packaging material includes some Haribo candies. Kitguru tested it out for performance as well as sound, being a Micro ATX system after all and found that for the price of £900 it was not a bad deal at all. Check out the Overclockers UK Titan Neutron if you are on that side of the pond, or keep the specs in mind if you are shopping around over here in North America.
"The exponential evolution of gaming graphics shows no signs of abating. We have already seen a plethora of NVIDIA GeForce GTX 1080 cards (most recently from MSI), our first taste of the more modestly specified GTX 1060 comes installed in a complete system from Overclockers UK, the Titan Neutron Micro-ATX Gaming PC."
Here are some more Systems articles from around the web:
- ECS LIVA Core Mini-PC @ techPowerUp
- PC Specialist Hyperion Master @ Kitguru
- Fierce PC eSports Imperial Overlord @ Kitguru
Introduction and Technical Specifications
Courtesy of XSPC
Courtesy of XSPC
Courtesy of XSPC
XSPC is a well established name in the enthusiast cooling market, offering a wide range of custom cooling components and kits. Their newest CPU waterblock, the Raystorm Pro, offers a new look and optimized design in comparison to their last generation Raystorm CPU waterblock. The block features an all copper design with a dual metal / acrylic hold down plate for illumination around the outside edge of the block. The Raystorm Pro is compatible with all current CPU sockets with the currect mounting kit.
Continue reading our review of the XSPC Raystorm Pro CPU waterblock!
Remember when Fallout was an isometric RPG? Want a Fallout 1.5?
Subject: General Tech | July 20, 2016 - 02:54 PM | Jeremy Hellstrom
Tagged: fallout resurrection, kick ass, fallout 1.5
The crew over at Resurrection Team have been working for a decade on a new Fallout game based on the Fallout 2 engine. Originally released in Czech, they have recently released the English translation, for free for anyone to use as long as you have Fallout 2. That should not be overly hard, GoG gave it away for free not too long ago and currently sell it for $10, Steam about the same. The mod sounds fairly big, the original version had 2,471,214 text characters, 80 maps and 736 scripts.
If you haven't already started downloading it, check out what Rock, Paper, SHOTGUN thought about it and see if that convinces you.
"We've worked on Resurrection for more than 10 years. We worked for two-and-a-half years on the English translation after that. All of us have worked on Resurrection in our free time."
Here is some more Tech News from around the web:
- The Secret Ending To Inside: How To Find All The Orbs @ Rock, Paper, SHOTGUN
- Cyborg Pals: Satellite Reign Launches Co-op Mode @ Rock, Paper, SHOTGUN
- EA publishes Star Wars Battlefront: Death Star DLC trailer @ HEXUS
- Humble 2K Bundle 2: $15 tier buys Battleborn and Borderlands:TPS @ HEXUS
- Surface To Air Laser Fights: No Man's Sky @ Rock, Paper, SHOTGUN
- Life Is Strange Episode 1 Going Free Tomorrow @ Rock, Paper, SHOTGUN
EVGA 17th Anniversary Event (with Contest)
Subject: General Tech | July 19, 2016 - 12:54 AM | Scott Michaud
Tagged: evga
Sweet... seventeen? Looks we're a little late on this, but EVGA is hosting a 17th anniversary event. Jacob is live streaming gameplay at 3pm PDT (6pm EDT) today, tomorrow, the day after, and the day after that. During that time, they will be giving away four more bundles of PC hardware, and probably a bunch of game keys from EA. According to their website's previous winners, it looks like they're giving away two copies of Battlefront (with Season Pass), Need for Speed, Plants vs Zombies: Garden Warfare 2, Battlefield 4 (with DLC), and Mirror's Edge: Catalyst each day.
In terms of hardware, EVGA is handing out one bundle of two components per day and three grand prize bundles: one for USA, Canada, and Latin America; one for Asia and the Pacific region; and one for Europe, the Middle East, and India.
Today, they will give out an EVGA Z170 FTW motherboard and 16GB of DDR4 RAM during today's stream. The largest, non-grand prize giveaway will be on Thursday, however, where they will hand out an X99 Classified motherboard and a GTX 1070 SC graphics card, valued at a total of $820. I'm not sure which geographic regions on these prizes are eligible, although they do state the contest is, of course, void where prohibited. If it's like the grand prize, it seems to be pretty much worldwide.
Seasonic Flagship PRIME 750W, when they upgrade they mean business
Subject: Cases and Cooling | July 25, 2016 - 04:53 PM | Jeremy Hellstrom
Tagged: modular psu, Seasonic PRIME, 750w
It has been about a year since Seasonic released a brand new PSU as they do not tend to flood the market with incremental upgrades to their PSU families. While this may hurt their business a little as newer users do not see reviews or advertisements frequently, long term enthusiasts take note when a new PSU arrives. This fully modular PSU offers a single 12V rail capable of delivering 744W @ 62A and offers six 6+2 PCIe power cables, it even still has a floppy connector for those desperate times when you need to pull one out. [H]ard|OCP strapped the PSU to their torture bench and this Seasonic unit came out with a Gold medal. Check out the full review here.
"Seasonic has never been big on marketing-speak. Outside of its impressive specifications, and a list of features, this is all it has to say. "The creation of the PRIME Series is a renewed testimony of Seasonic's determination to push the limits of power supply design in every aspect." Let's see if that is true, or the shortest sales pitch ever."
Here are some more Cases & Cooling reviews from around the web:
- Seasonic Prime 750W Titanium @ Kitguru
- Enermax Revolution X't II 750W @ [H]ard|OCP
- Silverstone Strider Platinum 750W ST75F-PT @ Modders Inc
- Thermaltake Smart DPS G 700W @ NikKTe
- APC Power Saving Back-UPS Pro 1500VA (BR1500G) @ Custom PC Review
European Speedrunner Assembly 2016 Starts This Weekend
Subject: General Tech | July 19, 2016 - 01:25 AM | Scott Michaud
Tagged: speedrun, esa, charity
Somehow, despite the European Speedrunner Assembly (ESA) being five years old, I just found out about it this year. Turns out that ESA 2016 is coming up this weekend. If you were a fan of Games Done Quick, this will also be a ~week-long, around the clock speed running event for charity. This one seems to run for The Save the Children Fund, although that could be an out-of-date announcement for the previous event.
The event starts with Tomb Raider II at 12pm EDT on Saturday, July 23rd, and goes until the end of a Super Mario 64 120-star relay race that starts at 2:31pm on Friday, July 29th. The event will continue offline until the 1st of August. Like Games Done Quick, which apparently inspired this event, the schedule has a wide variety of titles across several platforms. It should be interesting, regardless of when you get time to watch it.
Sapphire's Custom Polaris 10-Based Nitro+ RX 480 Coming Next Month
Subject: Graphics Cards | July 25, 2016 - 08:49 PM | Tim Verry
Tagged: sapphire, Radeon RX 480, polaris 10, nitro+, nitro
More details on custom graphics cards based around AMD's RX 480 reference GPU are starting to trickle out now that the official shipping dates are approaching (it appears many of the cards will be available next month). Sapphire is the latest AIB to provide all the juicy details on its custom Nitro+ Radeon RX 480 card!
The Nitro+ RX 480 is a dual slot card with a Dual X cooler that features two 95mm quick connect fans, vented aluminum backplate, black shroud, and aluminum heatsink. The graphics card is powered by a single 8-pin PCI-E power connector which should be enough to allow overclocking headroom and alleviate any worries over pulling too much amperage over the PEG slot on the motherboard.
Sapphire is using high end capacitors and black diamond 4 chokes. The twin fan cooler supports "quick connect" which lets users easily pull out the fans for cleaning or replacement (which seems like a neat feature considering how dusty my PC can get (it doesn't help that my corgi loves to lay against my tower heh)). RGB LEDs illuminate the Sapphire logo and fans.
Of course, all of the LEDs can be controlled by software or a button on the back of the card to change colors in response to temperatures, fan speed, cycling through all colors, and turned off completely.
The company also uses an aluminum backplate which has a nice design to it (nice to see the only part of the card most will see getting some attention for once heh) as well as vents that allow hot air to escape. Air is pulled into the card from the two fans and pushed out the back of the card and up through the backplate. I am interested to see how much this design actually improved cooling.
Rear IO includes a single DL-DVI output along with two DisplayPort 1.4 and two HDMI 2.0b video outputs. This configuration results in a smaller air intake but also lets you hook up both a HDMI monitor and VR headset. While there are five connectors, only four may be used at the same time.
While Sapphire did not touch the memory, it did factory overclock the Polaris 10 GPU to up to 1,342 MHz boost. Compared to the reference boost clockspeed of 1,266 this is a decent jump, especially for a factory out of the box overclock. Users should be able to push the GPU further though exactly how far remains to be seen and will depend on the cooler and the quality of their specific chip.
Sapphire's Nitro+ RX 480 will reportedly be available as soon as next week in both 4GB and 8GB models. The 4GB will run $220 while the 8GB card will cost $269. If these numbers hold true, that is only a $20 premium over the reference designs which certainly seems like a great value all things considered! I am looking forward to the reviews on this slick looking card and I hope that the performance and build quality are up to snuff!
Also read: The AMD Radeon RX 480 Review - The Polaris Promise
2D semiconductors anyone?
Subject: General Tech | July 19, 2016 - 12:37 PM | Jeremy Hellstrom
Tagged: 2d, molybdenum sulphide, moores law, graphene
Over at Nanotechweb is an article on some rather impressive research being done to create what are, for all intents and purposes, almost two dimensional. The process used by the researchers created transistors made up of two three-atom thick MoS2 layers, both slightly overlapped with graphene, sandwiched between two one-atom think graphene layers. The trick is in the use of graphene, itself unsuitable for use as a transistor but perfect for interconnects thanks to its conductance. Read on to learn more about these researchers and the process they are working on, including a link to their publication in Nature.
"Researchers in the US have succeeded in chemically assembling the electronic junctions between a 2D semiconductor (molybdenum sulphide) and graphene, and have made an atomic transistor with good properties. They have also assembled the heterostructures into 2D logic circuits, such as an NMOS inverter with a voltage gain as high as 70."
Here is some more Tech News from around the web:
- Good gravy, Toshiba QLC flash chips are getting closer @ The Register
- Boffins unveil 500TB/in2 disk. Yeah, it's made of chlorine. -196˚C, why? @ The Register
- Seagate unveils 10TB monsters for PC users with out-of-control Steam libraries @ The Inquirer
- How to scam $750,000 out of Microsoft Office: Two-factor auth calls to premium-rate numbers @ The Register
- Netflix Stock Price Tanks As Customers Quit Over Higher Prices @ Slashdot
- Sonic 3D Printer Auto Bed Leveling Makes a Swoosh @ Hack a Day
Scythe's Fuma cooler, stocky and quiet but not ready for overclocking contests
Subject: Cases and Cooling | July 20, 2016 - 04:12 PM | Jeremy Hellstrom
Tagged: scythe, fuma, heatsink
Scythe's Fuma heatsink is a fair size at 137x149x130mm with a weight of 920g, including the two 120mm fans, though shorter than many on the market. That stock design could cause some problems if your RAM has impressively sized heatsinks but for most modules you should not have any issues and it does not impinge on your first PCIe slot. In the tests Modders-Inc performed reasonably well when cooling an i7-4770k at stock speeds, unfortunately an overclock of 4.4GHz did see the cooler struggle and the CPU frequency was throttled back almost immediately. For lesser loads the low RPM fans will be able to keep your temperatures reasonable and do so without creating much noise. If you have a midranged CPU and want a quiet cooler in the $55 range, drop by to check out the full review.
"Heatsink designs are driven by the fundamental principle that a larger surface area equates to better heat dissipation than a smaller area. Factoring in componential consent, modern aftermarket CPU tower heatsinks had to get creative to compensate and dial-in the efficiency needed, hence the rise of dual-tower cooler designs"
Here are some more Cases & Cooling reviews from around the web:
- Cooler Master MasterLiquid 240mm AIO CPU Cooler @ eTeknix
- Raijintek Atlantis Series Custom Loop Water Cooling @ eTeknix
- EK Water Blocks Performance 280 Starter Liquid Cooling Kit Review @ NikKTech
- SilverStone Redline Series RL05 Mid-Tower Chassis @ eTeknix
SIGGRAPH 2016 -- NVIDIA Announces Pascal Quadro GPUs: Quadro P5000 and Quadro P6000
Subject: Graphics Cards | July 25, 2016 - 04:48 PM | Scott Michaud
Tagged: siggraph 2016, Siggraph, quadro, nvidia
SIGGRAPH is the big, professional graphics event of the year, bringing together tens of thousands of attendees. They include engineers from Adobe, AMD, Blender, Disney (including ILM, Pixar, etc.), NVIDIA, The Khronos Group, and many, many others. Not only are new products announced, but many technologies are explained in detail, down to the specific algorithms that are used, so colleagues can advance their own research and share in kind.
But new products will indeed be announced.
The NVIDIA Quadro P6000
NVIDIA, having just launched a few Pascal GPUs to other markets, decided to announce updates to their Quadro line at the event. Two cards have been added, the Quadro P5000 and the Quadro P6000, both at the top end of the product stack. Interestingly, both use GDDR5X memory, meaning that neither will be based on the GP100 design, which is built around HBM2 memory.
The NVIDIA Quadro P5000
The lower end one, the Quadro P5000, should look somewhat familiar to our reader. Exact clocks are not specified, but the chip has 2560 CUDA cores. This is identical to the GTX 1080, but with twice the memory: 16GB of GDDR5X.
Above it sits the Quadro P6000. This chip has 3840 CUDA cores, paired with 24GB of GDDR5X. We have not seen a GPU with exactly these specifications before. It has the same number of FP32 shaders as a fully unlocked GP100 die, but it doesn't have HBM2 memory. On the other hand, the new Titan X uses GP102, combining 3584 CUDA cores with GDDR5X memory, although only 12GB of it. This means that the Quadro P6000 has 256 more (single-precision) shader units than the Titan X, but otherwise very similar specifications.
Both graphics cards have four DisplayPort 1.4 connectors, as well as a single DVI output. These five connectors can be used to drive up to four, 4K, 120Hz monitors, or four, 5K, 60Hz ones. It would be nice if all five connections could be used at once, but what can you do.
Pascal has other benefits for professional users, too. For instance, Simultaneous Multi-Projection (SMP) is used in VR applications to essentially double the GPU's geometry processing ability. NVIDIA will be pushing professional VR at SIGGRAPH this year, also launching Iray VR. This uses light fields, rendered on devices like the DGX-1, with its eight GP100 chips connected by NVLink, to provide accurately lit environments. This is particularly useful for architectural visualization.
No price is given for either of these cards, but they will launch in October of this year.
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Food Processing Services
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$35.19Another gem from Herb Schildt--best-selling programming author with more than 2.5 million books sold! C: The Complete Reference, Fourth Edition gives you full details on C99, the New ANSI/ISO Standard for C. You'll get in-depth coverage of the C language and function libraries as well as all the newest C features, including restricted pointers, inline functions, variable-length arrays, and complex
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$31.99Author Herb Schildt is the world's best-selling C++ author with more than 2 million books sold. The most complete coverage of the newly updated ANSI C++ Standard--including updated material on the STL, namespace naming methods, an new classes. An easy-to-follow, three-part organization: I) Description of the root of C++; II) Detailed coverage of C++'s OOP components and classes; III) Effective C++
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News about Too Much Media products and related technology.
18 July 2016 "NATS - Inside Out" - presented by John M and Nicholas Tse
August is going to heat up as the TMM crew is headed to the Qwebec Expo in Montreal. In this years lineup, John M. and Nicholas Tse will be hosting an hour long "NATS: Inside Out" seminar. This seminar is for prospective and veteran users who wish to understand just what NATS can do for you to help your business.
If you are a newcomer in the industry or looking to make the switch to NATS from another platform, gain valuable information that will show you how using NATS can increase your revenue and assist you to run your operation more efficiently.
Did you know that most NATS users only utilize about 20% of the software's capabilities? Industry veteran's can join in and learn about functionality within the software that can be used to increase productivity, eliminate some tasks, and increase your revenue.
07 July 2016 TMM Insider July 2016 Released!
In this issue of TMM Insider, Too Much Media Heads to Qwebec Expo in Montreal, Learn about setting up Payment Periods, Mass Mailers, and Video Adtools.
16 June 2016 Highlighted Feature: Mobile Tours
Would you like to cater to mobile traffic on your NATS join pages? In NATS, you can create a separate mobile tour where traffic will be redirected. Once set, any surfer going through a NATS track link, while using a mobile device, will be redirected to the new mobile tour for that site. For more details in regards to setting up mobile tours in NATS visit our wiki article here.
03 June 2016 TMM Insider June 2016 Released!
In this issue of TMM Insider, make use of NATS mobile tours, member logging, create an Affiliate referral program, and set biller fees for your biller transactions.
16 May 2016 Headed to Xbiz Miami? Let's Meet up!
As marketing and management are evolving in our industry, so are the software solutions we create to ensure you have the tools to continually grow your business. Our latest solution, NATS for Networks is a powerful SaaS solution to assist you in managing your affiliate marketing while offering real-time metric reporting for those who know that data is king. Our network software helps you analyze the metrics you want to track, efficiently, providing you with invaluable reporting to increase your ROI.
If you operate a CPA network, Cams or Dating platform, along with other business ventures, join us at Xbiz Miami for a Live Demo. To schedule an appointment with the TMM team please visit here and reserve your appointment TODAY!


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